Natyashastra
ततश्चैव प्रयोक्तव्यं द्विकलं प्रत्युपोहनम् । घातश्चेत्सन्निपातश्च विवधैकप्रयोजिताः ॥ २९४॥
Then, a two-Kalā Pratyupohana should be performed. The Ghāta and Sannipāta should be applied, each using a single Vivadha.
english translation
tatazcaiva prayoktavyaM dvikalaM pratyupohanam । ghAtazcetsannipAtazca vivadhaikaprayojitAH ॥ 294॥
hk transliteration by Sanscript